What powers celf.biz?
Last seen Jun 2026 · 37 technologies across 18 categories
Advertising
AD EBiS
since Aug 2021
Microsoft Advertising
since Feb 2024
Twitter Ads
since Jan 2024
Yahoo Advertising
since Apr 2022
Affiliate programs
Moshimo
since Dec 2024
Analytics
CDN
Cloudflare
since Sep 2024
Google Hosted Libraries
since Feb 2022
jQuery CDN
since Feb 2022
jsDelivr
since Apr 2024
CMS
Databases
MySQL
since Feb 2019
Font scripts
Google Font API
since Feb 2019
JavaScript libraries
Marketing automation
Shanon
since Feb 2022
Miscellaneous
PaaS
Kinsta
since Apr 2026
Performance
Priority Hints
since Mar 2026
Programming languages
PHP
since Feb 2019
Security
Cloudflare Bot Management
since Sep 2024
Really Simple SSL & Security
since Apr 2024
Tag managers
Google Tag Manager
since Feb 2019
UI frameworks
Webmail
Google Workspace
since Aug 2022
WordPress plugins
Audience
- 63% desktop
- 35% phone
- 1% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.06 / 10 · ranked #1,483,267 of all domains
55 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 27.9 MB · 385 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.celf.biz | 37 |
| developer.celf.biz | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Apr 2026
- detected Cloudflare Bot Management Apr 2026
- detected HTTP/3 Apr 2026
- detected Kinsta Apr 2026
- detected Priority Hints Mar 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025